ATMEGA649P-AUR Atmel, ATMEGA649P-AUR Datasheet - Page 397
ATMEGA649P-AUR
Manufacturer Part Number
ATMEGA649P-AUR
Description
IC MCU AVR 64KB FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA649P-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Table 29-3.
Table 29-4.
29.2.3.1
8284A–AVR–10/10
Example 1
ATmega169PA: Additional Current Consumption for the different I/O modules (absolute values)
ATmega169PA: Additional Current Consumption (percentage) in Active and Idle mode
are controlled by the Power Reduction Register. See
page 46
It is possible to calculate the typical current consumption based on the numbers from
for other V
Calculate the expected current consumption in idle mode with USART0, TIMER1, and SPI
enabled at V
add 13.1% for the USART0, 13.0% for the SPI, and 13.2% for the TIMER1 module. Reading
from
F = 1MHz. The total current consumption in idle mode with USART0, TIMER1, and SPI enabled,
gives:
I
CC
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
PRR bit
PRADC
PRUSART0
PRSPI
PRTIM1
PRLCD
PRR bit
PRADC
PRUSART0
PRSPI
PRTIM1
PRLCD
total
Figure
≈
0.09mA
for details.
CC
CC
29-68, we find that the idle current consumption is ~0.09 mA at V
and frequency settings than listed in
= 3.0V and F = 1MHz. From
•
(
Additional Current consumption
compared to Active with external
clock
(see
1
+
Typical numbers
7 µA
6.9 µA
6.6 µA
7 µA
7.3 µA
0.131
V
Figure 29-63
CC
= 2V, F = 1MHz
+
0.13
+
3.2%
3.4%
3.3%
3.4%
3.5%
0.132
and
Figure
)
≈
0.13mA
Table
44 µA
43.5 µA
47 µA
47 µA
48 µA
29-64)
V
CC
Table
29-3, second column, we see that we need to
= 3V, F = 4MHz
”PRR – Power Reduction Register” on
29-4.
Additional Current consumption
compared to Idle with external clock
(see
Figure 29-68
195 µA
210 µA
205 µA
206 µA
215 µA
12.7%
13.1%
13.0%
13.2%
13.7%
V
and
CC
= 5V, F = 8MHz
Figure
CC
= 3.0V and
Table 29-3
29-69)
397
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